The United States and Russia have agreed to a “cessation of hostilities” in Syria, to be effective within a week. All of the other major world powers are said to have signed the agreement, with a story in the Washington Post by Karen DeYoung
Immediate humanitarian aid will be provided by military forces in the besieged areas. But it is not clear what affect, if any, this has on processing refugees, even into Turkey. The emphasis is more on setting up a zone as safe as possible in the area.
That would seem to require possible boots on the ground to counter ISIS forces.
James Clapper, National Intelligence Director, had testified Wednesday that ISIS is the most significant non-state threat to the US and Allies, even homelands, USNI story. It was not clear what the scope of this statement would be.